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posix: Use function instead of macros

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This commit is contained in:
Sebastian Huber
2014-10-08 10:07:01 +02:00
parent 044cf4d713
commit 419accf6a6
1 changed files with 28 additions and 41 deletions
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69
cpukit/posix/src/mutexget.c
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@@ -18,55 +18,42 @@
#include "config.h"
#endif
#include <errno.h>
#include <pthread.h>
#include <rtems/system.h>
#include <rtems/score/coremuteximpl.h>
#include <rtems/posix/muteximpl.h>
static bool _POSIX_Mutex_Check_id_and_auto_init(
pthread_mutex_t *mutex,
Objects_Locations *location
)
{
if ( mutex == NULL ) {
*location = OBJECTS_ERROR;
/*
* _POSIX_Mutex_Get_support
*
* NOTE: The support macro makes it possible for both to use exactly
* the same code to check for NULL id pointer and
* PTHREAD_MUTEX_INITIALIZER without adding overhead.
*/
return false;
}
#define ___POSIX_Mutex_Get_support_error_check( _id, _location ) \
do { \
if ( !_id ) { \
*_location = OBJECTS_ERROR; \
return (POSIX_Mutex_Control *) 0; \
} \
} while (0)
if ( *mutex == PTHREAD_MUTEX_INITIALIZER ) {
int eno;
#define ___POSIX_Mutex_Get_support_auto_initialization( _id, _location ) \
do { \
int _status; \
\
if ( *_id == PTHREAD_MUTEX_INITIALIZER ) { \
/* \
* Do an "auto-create" here. \
*/ \
\
_status = pthread_mutex_init( (pthread_mutex_t *)_id, 0 ); \
if ( _status ) { \
*_location = OBJECTS_ERROR; \
return (POSIX_Mutex_Control *) 0; \
} \
} \
} while (0)
eno = pthread_mutex_init( mutex, NULL );
if ( eno != 0 ) {
*location = OBJECTS_ERROR;
return false;
}
}
return true;
}
POSIX_Mutex_Control *_POSIX_Mutex_Get (
pthread_mutex_t *mutex,
Objects_Locations *location
)
{
___POSIX_Mutex_Get_support_error_check( mutex, location );
___POSIX_Mutex_Get_support_auto_initialization( mutex, location );
if ( !_POSIX_Mutex_Check_id_and_auto_init( mutex, location ) ) {
return NULL;
}
return (POSIX_Mutex_Control *)
_Objects_Get( &_POSIX_Mutex_Information, (Objects_Id) *mutex, location );
@@ -78,9 +65,9 @@ POSIX_Mutex_Control *_POSIX_Mutex_Get_interrupt_disable (
ISR_Level *level
)
{
___POSIX_Mutex_Get_support_error_check( mutex, location );
___POSIX_Mutex_Get_support_auto_initialization( mutex, location );
if ( !_POSIX_Mutex_Check_id_and_auto_init( mutex, location ) ) {
return NULL;
}
return (POSIX_Mutex_Control *) _Objects_Get_isr_disable(
&_POSIX_Mutex_Information,